{"product_id":"9780387304137","title":"Phase Portraits of Planar Quadratic Systems (Mathematics and Its Applications)","description":"\u003cp\u003eAlthough some examples of phase portraits of quadratic systems can already be found in the work of Poincaré, the first paper dealing exclusively with these systems was published by Büchel in 1904.\u003c\/p\u003e","brand":"Springer Verlag","offers":[{"title":"Default Title","offer_id":48681475637483,"sku":"00000_00000_00000_00000","price":311.28,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0758\/4484\/5803\/files\/9780387304137-1.jpg?v=1785753233","url":"https:\/\/kinokuniya.com.sg\/products\/9780387304137","provider":"Books Kinokuniya Singapore","version":"1.0","type":"link"}